btse track plinth 20091210

การบรรยาย “Trackwork System”

เวทิน วสุนธราสุขผู้จัดการโครงการฯ

บมจ. อิตาเลียนไทย ดีเวลอ๊ปเมนต์

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

ชนดิของฐานคอนกรตีรองรางทีใ่ชท้ ัว่ไปมี 3 รปูแบบ

1. Embedded

Sleeper

รูปแบบการก่อสร้างระบบรางส าหรับโครงการฯ

2. Track Plinth 3. Bi-Block

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

• ข้อมูลทั่วไป– ใช้วิธีหล่อส าเร็จจากโรงงาน

(Precast Track Plinth ) ยาวท่อนล่ะประมาณ 5.00 ม.แลว้น ามาติดตั้งโดยการเทคอนกรีตในที่เพื่อยึดฐานติดกับคานคอนกรีตรูปกล่อง(Viaduct Segment) ด้วย Shear Connector

งานตดิต ัง้ฐานคอนกรตีรองรางรถไฟ (Track Plinth)

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Casting Precast Track Plinth

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - DEMOULD

0.2L0 .2LAT FULL SECTION AT FULL SECTION

R B 1 2 R B 1 2

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - DEMOULD

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - LIFTING

Belt

Belt

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - LIFTING

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - STOCKING

AT FULL SECTION

W o o d

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - STOCKING

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - TRANSPORT

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

HANDLING METHOD - TRANSPORT

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Checking Level of Viaduct Surface

Setting the Position of Plinth

Placing Precast Plinth

Precast Plinth Installation

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Installing Fastening System Installing Shear Connector

Installing Rail and GigPre-Adjusting Alignment and Level

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Pouring Concrete in Block out

Survey AdjustmentInstalling Formwork

Vibrating Concrete

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Remove Equipment

Installed Plinth

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

การทดสอบระบบ Precast Track Plinth

• Precast Track Plinth นีไ้ด้ท าการทดสอบโดยใช้วิธีการทดสอบตาม มาตรฐานสากล คือ AREMA (American Railway Engineering and Maintenance of Way Association) และ การรถไฟแห่งประเทศไทย (รฟท.)

• ผลการทดสอบ ผ่านตามข้อก าหนดตามมาตรฐานทุกประการ สามารถรับน า้หนักที่เกดิขึน้ในสภาวะการใช้งานได้ดีและปลอดภยัตามข้อก าหนด

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

การทดสอบ

• Compressive Strength Test

• Test Flow Ability Test

• Rail Seat Vertical Load Test

• Repeated Load Test

• Shear Resistance Test

• Pull out Test

• Ultrasonic Test

• Mock – up Test

Material Test

System Test

Installation Test

Monitoring Test

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

MATERIAL TEST

การเก็บตัวอย่างทดสอบและการทดสอบCompressive Strength Test

• Concrete Compressive Strength Test Standard : AASHTO T22

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

MATERIAL TEST

• Flow ability TestStandard : ASTM C 143

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Rail Seat Vertical Load Test

Standard : APPLY AREMA 2002 Test Load : 1.75 times Design LoadResult : Can support max. load 23.7 tons in 5 mins with no crack

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Shear Resistance Test

Test Load : 2.5 times Design Load

Result : Can support max. load 16.63 tons in 3 mins with no crack ( for 2 Shear Connectors)

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

SYSTEM TEST - Schematic for Repeated Load Test

Fill concrete in 125 mm. gap underneath Precast PlinthStandard : AREMA 2002 (American Railway Engineering and Maintenance of Way Association)Test Load : 2.5 times Design Load

Cyclic load with f = 5 Hz., 3,000,000 cycles

20⁰

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Repeated Load Test

Standard : AREMA 2002

Result : Can support applied load 13.7 tons under 3,000,000 cycles of repeated load with no crack

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

SYSTEM TEST – Schematic for pull out test

Plastic Dowel

Applied load 3.65 tons

Standard : AREMA 2002 (American Railway Engineering and Maintenance of Way Association)Test Load : 2.5 times Design Load

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

SYSTEM TEST – PULL OUT TEST

Standard : AREMA 2002 Result :

Can support applied load 3.65 tons in 3 mins without any cracking of concrete

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

INSTALLATION TEST

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

Ultrasonic Pulse Velocity (UPV) Test - Semi-direct Test - Direct Test

Semi-direct test

Direct test

MONITORING TEST

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

UPV value in km/sec (V) Concrete quality

V greater than 4.0 Very good

V between 3.5 and 4.0 Good, but may be porous

V between 3.0 and 3.5 Poor

V between 2.5 and 3.0 Very poor

V between 2.0 and 2.5 Very poor and low integrity

V Less than 2.0 and reading fluctuating No integrity, large voids suspected

ค่าความเร็วของ UPV และคุณภาพของคอนกรีต

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

UPV Semi-direct Test

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

UPV Direct Test

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

TEST RESULT – UPV TEST

Bangkok Transit System Sukhumvit Extension Line-Part 1ITALIAN-THAI DEVELOPMENT PCL.

THANK YOU